Microalgae-bacteria consortium for wastewater treatment and biomass production

Aditya, Lisa; Mahlia, T.M.I.; Nguyen, Dinh Duc; Vu, Hang P.

doi:10.1016/j.scitotenv.2022.155871

Cited by 96 publications

(19 citation statements)

References 111 publications

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“…On the other hand, the merits of microalgae biomass as slowrelease biofertilizers have been consistently reported in literature [119]. Microalgae biomass is also rich in nitrogen, phosphorous and trace elements such as potassium, calcium, magnesium and iron, that can be absorbed by plants when microalgal biomass is supplemented and even increase the nutritional quality of biofertilized fruits [12].…”

Section: Biomass Valorizationmentioning

confidence: 96%

“…On the other hand, cyanobacteria also contain accessory pigments belonging to the phycobiliprotein group, mainly phycocyanin, phycoerythrin and allophycocyanin. Phycocyanin and allophycocyanin are a blue pigments that absorb mainly at 620 nm and 650 nm [12]. Phycoerythrin is a red pigment that absorbs mainly in the range of 550 nm.…”

Section: Microalgae-based Treatmentmentioning

confidence: 99%

“…In addition, cyanobacteria can synthesize pigments belonging to the group of phycobiliproteins. An important and rare pigment of this last group is phycocyanin, a pigment with a striking blue colour that can absorb at wavelengths of ~620 nm and present promising antibacterial, anticancer, anti-inflammatory and antioxidant activities [12,94]. All those pigments are nowadays commercialized for the production of cosmetics, pharmaceuticals and functional foods.…”

Section: Biomass Valorizationmentioning

confidence: 99%

“…Wastewaters are mainly classified depending on their origin as domestic, industrial and agro-industrial [11]. Depending on their origin, wastewaters exhibit a different physical, chemical and microbiological composition [12]. Domestic wastewaters are generated from human activities in households (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Piggery Wastewater Treatment Using Photosynthetic Microorganisms

Sepúlveda-Muñoz¹,

Godos²,

Muñoz³

2023

Preprint

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Piggery wastewater (PWW) is characterized by its high concentrations of organic matter and ammonium, and by their odour nuisance. Traditionally, PWW has been treated in open anaerobic lagoons, anaerobic digesters and activated sludge systems, which exhibit high greenhouse gas emissions, a limited nutrients removal and a high energy consumption, respectively. Photosyn-thetic microorganisms can support a sustainable PWW treatment in engineered photobioreactors at low operating costs and with an efficient recovery of carbon, nitrogen and phosphorous. These microorganisms are capable of absorbing solar irradiation through the photosynthesis process to obtain energy, which is used for their growth and associated carbon and nutrients assimilation. Purple phototrophic bacteria (PPB) represent the photosynthetic microorganisms with the most versatile metabolism in nature, while microalgae are the most studied photosynthetic microor-ganisms in recent years. This review describes the fundamentals, symmetry and asymmetry of PWW treatment using photosynthetic microorganisms such as PPB and microalgae. The main photobioreactor configurations along with the potential of PPB and microalgae biomass valori-zation strategies are also discussed.

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Section: Biomass Valorizationmentioning

confidence: 96%

Section: Microalgae-based Treatmentmentioning

confidence: 99%

Section: Biomass Valorizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Piggery Wastewater Treatment Using Photosynthetic Microorganisms

Sepúlveda-Muñoz¹,

Godos²,

Muñoz³

2023

Preprint

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“…Among these, 45 review papers have been published with “forward osmosis” in the title ( Figure 1 ). These review papers cover the topics of membrane design [ 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 ], fouling mitigation [ 17 , 18 , 19 , 20 , 21 , 22 ], draw solutes design and recovery [ 23 , 24 , 25 , 26 , 27 , 28 ], system design [ 29 , 30 , 31 , 32 , 33 ], and applications [ 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 ]. Prior studies on FO membrane fabrication placed a lot of focus on porous substrate optimization to reduce the internal concentration polarization (ICP), a factor that causes a significant loss of driving force.…”

Section: Introductionmentioning

confidence: 99%

Forward Osmosis Membranes: The Significant Roles of Selective Layer

Tian

Goh

et al. 2022

Membranes

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Forward osmosis (FO) is a promising separation technology to overcome the challenges of pressure-driven membrane processes. The FO process has demonstrated profound advantages in treating feeds with high salinity and viscosity in applications such as brine treatment and food processing. This review discusses the advancement of FO membranes and the key membrane properties that are important in real applications. The membrane substrates have been the focus of the majority of FO membrane studies to reduce internal concentration polarization. However, the separation layer is critical in selecting the suitable FO membranes as the feed solute rejection and draw solute back diffusion are important considerations in designing large-scale FO processes. In this review, emphasis is placed on developing FO membrane selective layers with a high selectivity. The effects of porous FO substrates in synthesizing high-performance polyamide selective layer and strategies to overcome the substrate constraints are discussed. The role of interlayer in selective layer synthesis and the benefits of nanomaterial incorporation will also be reviewed.

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